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aniked [119]
3 years ago
14

How do radioactive isotopes add to earths heat

Geography
1 answer:
Dennis_Churaev [7]3 years ago
6 0
Radioactive isotopes decay and they released heat, more heat was generated and earth was hotter than it is today.
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The demographic transition model describes the population change over time as a country becomes more developed. Age-structure di
Dmitry_Shevchenko [17]

An expansive pyramid age-structure diagram best displays the age ranges in a country that is in stage 2 of the demographic transition.

Option d

<u>Explanation:</u>

The shift in demographics from high death rates and high birth rates in societies with lower education, technologies and economically under developed to demographics of low death or birth rates in societies with advanced technology, higher education and persistent economic development and includes the stages between both the scenarios stated is named as demographic transition.

This is to suggest or evaluate the growth rate cycles of the population of the country. There are 3 types of population pyramids namely,

Expansive population pyramids - shows the population that has the greater percentage in younger age groups. Most of the 3rd world nations fall in this category.

Constrictive population pyramids - shows declining birth rates

Stationary population pyramids -  depicts equal proportion of population in all age categories.

8 0
3 years ago
Name at least 3 current US states that were once under Spanish control.
m_a_m_a [10]

Answer: New Mexico, California, and Texas.

Explanation: All of these are currently on Spanish Territory until the United states and Mexico had an Agreement.

3 0
4 years ago
The graph below displays the values of world exports between 1960 and 1993
kirill115 [55]

Answer:

Option D, Increasing global interdependence resulting from technological innovation and expanded trade agreements

Explanation:

The relaxation of international trading norms and enhancement of interdependence on each other resulted in export and import of goods and services across international border. This in turn increased the overall good and services production output and sale at global level

Hence, option D is correct

5 0
3 years ago
One way to increase nonrenewable resources is through
Murljashka [212]

Answer:

Conservation

Explanation:

One important way to increase non-renewable resources is by conserving them.

  • Non-renewable resources are resources which cannot be replenished at the current rate of their usage.
  • In short, they become depleted with with usage
  • When resources are conserved, they are strategically used.
  • This ensures that time is given for them get replenished in the ecosystem.

Examples of non-renewable resources that must be conserved are metallic ores and fossil fuels.

Also, it must be noted that when resources are recycled, it reduces the dependence on the natural resources.

8 0
3 years ago
Read 2 more answers
What is a Gross Domestic Product?
krek1111 [17]

Answer:

the total value of goods produced and services provided in a country during one year.

Explanation:

8 0
3 years ago
Read 2 more answers
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